#242399#242399

#242399 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.183 H 272.5°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#242399
RGB	rgb(36, 35, 153)
HSL	hsl(241, 63%, 37%)
HSV	hsv(241, 77%, 60%)
CMYK	cmyk(76.5%, 77.1%, 0%, 40%)
CIE-LAB	lab(23.26, 41.13, -63.18)
CIE-LCH	lch(23.26, 75.39, 303.06°)
OKLab	oklab(35.6% 0.0078 -0.1829)
OKLCH	oklch(35.6% 0.183 272.5)
XYZ	xyz(7.0764, 3.8763, 30.5061)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242399 #989923

analogous

#235D99 #242399 #5F2399

triadic

#242399 #992423 #239924

tetradic

#242399 #99235D #989923 #23995F

square

#242399 #99235D #989923 #23995F

split-complementary

#242399 #995F23 #5D9923

monochromatic

#0D0C35 #181867 #242399 #302ECB #5E5DDA

Accessibility & contrast

On white

11.83

#242399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#242399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242399

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242399	#FFFFFF	#000000	##FFFFFF
##242399	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9C

Deuteranopia (green-blind)

#003297

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #242399;
/* rgb */ color: rgb(36, 35, 153);
/* oklch */ color: oklch(35.6% 0.183 272.5);

Tailwind

colors: {
  custom: {
    50: '#7360b8',
    500: '#242399',
    950: '#000000',
  },
}

SCSS

$custom: #242399;
$custom-light: #7360b8;
$custom-dark: #000000;

JSON

{
  "hex": "#242399",
  "rgb": {
    "r": 36,
    "g": 35,
    "b": 153
  },
  "hsl": {
    "h": 240.508,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35605,
    "c": 0.18304,
    "h": 272.5
  },
  "luminance": 0.03877
}

Semantic roles & 50–950 ramp

primary

#242399

secondary

#BEBE59

accent

#E642E4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #242399

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →